09.F5.B1B-3900 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 09.F5.B1B-3900 belongs to the F5 Combivert Axis Drives series and features dimensions of 90 by 220 by 160 mm. It has 5 digital and 1 analog input, 2 relay outputs, and operates with a control voltage of 24 V DC. The drive supports a maximum output frequency of 800 Hz and a switching frequency of 4 kHz, with a maximum short-time current of 180 percent.
Internal Product Review
The 09.F5.B1B-3900 is a KEB Combivert F5 axis drive designed for 3-phase 400 V AC/DC input. A 4 kHz switching frequency paired with an 800 Hz max output frequency supports responsive control and strong speed range performance. Standard cooling and 180% max short-time current make this drive a strong choice for demanding motion applications.
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Product Description:
The 09.F5.B1B-3900 is an axis drive module manufactured by KEB for the F5 Combivert Axis Drives series. It serves as the power conversion and control element between the plant power bus and a three-phase servo or induction motor, supporting speed, position, and braking functions in automated machinery. An integrated GTR7 braking chopper and a factory-installed braking transistor dissipate regenerated energy so the mechanical system can decelerate safely without added external braking hardware.
The power stage accepts a nominal supply of 400 V AC/DC on a three-phase input, while logic circuits are energized separately by a 24 V DC control supply that keeps the drive responsive during power interruptions. Output waveforms are synthesized at a carrier frequency of 4 kHz, and the inverter can modulate frequency continuously up to 800 Hz, which suits high-speed spindle or servo applications. Seventeen control terminals support field wiring; five are assigned to digital inputs, one is used for an analog input, and two provide relay outputs for interlocks. The unit is supplied without an encoder feedback card, so it can operate in sensorless mode or accept added feedback later. The housing measures 90 x 220 x 160 mm, and the unit uses convection cooling to help fit dense cabinet layouts.
During transient loading, the inverter can deliver a peak current of 180% of its continuous rating, and overcurrent protection trips at 216% to protect the IGBT stage and the connected motor. Internal processing scans all I/O every 2 ms, aligning drive status with PLC commands during coordinated axis motion. This update rate helps the controller react quickly to input changes and operating states. The overload margin supports short demand spikes without requiring the drive to operate continuously at its protection limit.
